It's from a longer comic, Clovis is bothering Lelouch out of boredom, but Lelouch tells him that he's already busy making a list. The list, of course, is his ranking of his favorite people.
1) Mom, Nunnally
2) Me, Schneizel-niisan, Cornelia-neesan, Euphie
3) The maids,the first prince
4) The citizens
41) Adhesive tape
46) Clovis-niisan (Lelouch has trouble spelling his name)/People who suck at Chess